BE637343A - - Google Patents
Info
- Publication number
- BE637343A BE637343A BE637343DA BE637343A BE 637343 A BE637343 A BE 637343A BE 637343D A BE637343D A BE 637343DA BE 637343 A BE637343 A BE 637343A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/48—Two nitrogen atoms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/015—Apparatus or processes for the preparation of emulsions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Colloid Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1085062A CH420851A (en) | 1962-09-13 | 1962-09-13 | Process for preparing photographic silver halide emulsions by the flocculation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE637343A true BE637343A (en) |
Family
ID=4367478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE637343D BE637343A (en) | 1962-09-13 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3366482A (en) |
| AT (1) | AT239054B (en) |
| BE (1) | BE637343A (en) |
| CH (1) | CH420851A (en) |
| DE (1) | DE1238330C2 (en) |
| ES (1) | ES291610A1 (en) |
| GB (1) | GB1041085A (en) |
| NL (2) | NL142245B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3522053A (en) * | 1965-02-06 | 1970-07-28 | Fuji Photo Film Co Ltd | Process for the preparation of photographic emulsions |
| CH460527A (en) * | 1965-06-15 | 1968-07-31 | Ciba Geigy | Process for preparing photographic silver halide emulsions by the flocculation method |
| CH467475A (en) * | 1966-06-28 | 1969-01-15 | Ciba Geigy | Process for making enriched colloidal silver |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE484325A (en) * | 1947-08-13 | |||
| FR1279110A (en) * | 1960-03-15 | 1961-12-15 | Koepff & Sohne G M B H | Process for preparing emulsions of silver halides, in particular for photography and emulsions in accordance with those obtained |
| BE600141A (en) * | 1960-03-15 | |||
| US3138461A (en) * | 1960-06-10 | 1964-06-23 | Polaroid Corp | Process for preparing silver halide emulsions containing gelatin derivatives |
| US3288775A (en) * | 1961-04-07 | 1966-11-29 | Ciba Ltd | Method of hardening gelatin by reacting with conjugated heterocyclic compounds containing halogen atoms and water-solubilizing acid groups |
-
0
- BE BE637343D patent/BE637343A/xx unknown
- NL NL297840D patent/NL297840A/xx unknown
-
1962
- 1962-09-13 CH CH1085062A patent/CH420851A/en unknown
-
1963
- 1963-09-11 GB GB35840/63A patent/GB1041085A/en not_active Expired
- 1963-09-12 AT AT733763A patent/AT239054B/en active
- 1963-09-12 NL NL63297840A patent/NL142245B/en not_active IP Right Cessation
- 1963-09-12 ES ES291610A patent/ES291610A1/en not_active Expired
- 1963-09-12 DE DE1963C0030892 patent/DE1238330C2/en not_active Expired
-
1967
- 1967-03-07 US US621117A patent/US3366482A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AT239054B (en) | 1965-03-10 |
| NL142245B (en) | 1974-05-15 |
| GB1041085A (en) | 1966-09-01 |
| NL297840A (en) | |
| US3366482A (en) | 1968-01-30 |
| ES291610A1 (en) | 1964-02-16 |
| DE1238330C2 (en) | 1974-04-18 |
| DE1238330B (en) | 1967-04-06 |
| CH420851A (en) | 1966-09-15 |